Summer Horsemanship Series Now Open CURTIS, Neb. – Riding and stock horse clinics will be offered for equine enthusiasts July 24 and August 7 at the Nebraska College of Technical Agriculture in Curtis. “Riders can work on their basics, get some time riding at the indoor arena here at the Livestock Teaching Center on campus, and ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!